On this day: August 21

Lincoln and Douglas square off for the first time, Oldsmobile begins production, Hawaii becomes a state, and The Mona Lisa and the Mars Observer go missing, all on this day.

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2013: New York Yankees outfielder Ichiro Suzuki collects the 4,000th hit of his professional baseball career with a single against the Toronto Blue Jays at Yankee Stadium. He became only the third player in professional baseball history to reach the 4,000-hit plateau, joining Pete Rose and Baseball Hall of Famer Ty Cobb. The total included 2,722 MLB hits and 1,278 hits from his lengthy career in Japan's major leagues.